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Geolocation
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Author - title
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Year
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| details | Bajocian | USSR(Siberia) | Ilyina,V.I. On the age of Jurassic sediments of South-Eastern Margin of the West Siberian Lowlands | 1970 | |
| details | Aalenian | USSR(WSL) | Ilina,V.U. Palynological characteristics of Jurassic Layers of Siberia. | 1971 |